Question about 1996 Chevrolet Suburban

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PCM module, ECM module 1996 Chevy Suburban K model

Where are these modules located in this vehicle?

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  • rickh62638 Feb 26, 2009

    where is pcm on 1990 suburban, and how do you test it

  • Anonymous Mar 24, 2014

    powertrain control module pcm on a 2001 chevy 3800

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Powertrain Control Module = under right side of dash, near blower motor.
Engine Control Module = same as above
Vehicle Control Module = same as above

All Suburban vehicles are equipped with only one of these choices. Good luck.

Posted on Oct 04, 2008

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The PCM on a 96 chevy surburban k1500 is located under the hood of the car on the driver side not inside under the dash by the blower motor

Posted on Nov 19, 2008

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Where is the ecm or pcm on a 2000 surbuban chevy

Posted on Aug 21, 2009

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How do i change the Electronic Computer Module (ECM) in a 1996 pontiac 2.2 automatic sunfire


I would get a second opinion , there not the brightest people . Take it to a ASE certified repair shop or dealer . Does your vehicle start an run ? If the brain box was bad it probably would not .
Powertrain Control Module/EEPROM Replacement/Programming

Powertrain Control Module (PCM)
Notice: In order to prevent internal damage to the PCM, the ignition must be OFF when disconnecting or reconnecting the PCM connector.
Service of the PCM should normally consist of either replacement of the PCM, EEPROM re-programming or a KS module change.
If the diagnostic procedures call for the PCM to be replaced, the PCM should be checked first to see if it is the correct part. If it is, remove the KS module from the faulty PCM and install it in the new service PCM. The service PCM will not contain a KS module. DTC P0601 indicates the EEPROM programming has malfunctioned. When DTC P0601 is obtained, re-program the EEPROM. If a DTC P0325 is set, check the KS module for proper installation. If it is installed correctly and DTC P0325 is still displayed, replace the KS module.
The ignition should be OFF for at least 10 seconds before disconnecting power to the PCM so the IAC valve has time to move to the engine OFF position.

Mar 09, 2016 | 1996 Pontiac Sunfire

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Speedo sensor faulty how difficult to replace


How do you know the VSS - vehicle speed sensor is bad ? The speedometer not working , have a DTC - diagnostic trouble code ? Most vehicles now ,from 1996 on , the VSS is an input to the PCM/ECM or TCM-engine control module . The vehicles have a network that modules talk on (serial data bus ) , The engine computer sends speed data to the instrument cluster ,where the microprocessor in the instrument cluster interprets an controls the stepper motor setting the speedo .
What year , make an model vehicle do you have ? GM vehicles had a problem with bad stepper motors !

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What is a pcm for chevy s10 22003 truck


WHAT is a PCM ? POWERTRAIN CONTROL MODULE, It is also called an ECM (Engine Control Module), it is also knows as the Computer. IT is located on your Drivers Side Fender inside the Engine Compartment.

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1 Answer

Were is the ecm located?


  • REMOVAL & INSTALLATION
  • Print


    OPERATION

    When the term Electronic Control Module (ECM) is used in this guide it will refer to the engine control computer regardless that it may be a Vehicle Control Module (VCM), Powertrain Control Module (PCM) or Engine Control Module (ECM).
    The Electronic Control Module (ECM) is required to maintain the exhaust emissions at acceptable levels. The module is a small, solid state computer which receives signals from many sources and sensors; it uses these data to make judgments about operating conditions and then control output signals to the fuel and emission systems to match the current requirements.
    Engines coupled to electronically controlled transmissions employ a Powertrain Control Module (PCM) or Vehicle Control Module (VCM) to oversee both engine and transmission operation. The integrated functions of engine and transmission control allow accurate gear selection and improved fuel economy.
    In the event of an ECM failure, the system will default to a pre-programmed set of values. These are compromise values which allow the engine to operate, although at a reduced efficiency. This is variously known as the default, limp-in or back-up mode. Driveability is almost always affected when the ECM enters this mode.


    REMOVAL & INSTALLATION

    See Figures 1 and 2


    0900c152800a7f96.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Fig. 1: ECM mounting scheme-except 1996 models


    0900c152800a7f97.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Fig. 2: ECM mounting scheme-1996 models
    The ECM is located in the passenger side footwell in the kick panel up to 1996. In 1996, the ECM is located in the engine compartment next to the battery.

    1. Disconnect the negative battery cable.
    2. Disengage the connectors from the ECM.
    3. Remove the spring retainer off and over the rail of the ECM on vehicles except 1996.
    4. Slide the ECM out of the bracket at an angle.
    5. Remove the ECM.

    To install:
    1. Install the ECM into the bracket.
    2. Install the spring retainer (except 1996) and plug in the electrical connectors.
    3. Connect the negative battery cable.

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    Where is bank 1 sensor 2 located on a 1996 Chevy suburban ?


    'Sensor 2' means the sensor is downstream from the exhaust manifold instead of on the exhaust manifold.

    ---
    HO 2S
    The heated oxygen sensor is used by the powertrain control module to measure the amount of oxygen in the exhaust. The PCM uses this data to control the air fuel mixture in the engine. The PCM sends a bias voltage of approximately 450 mV to the oxygen sensor. At operating temperature the oxygen sensor signal varies between 0 and 1,000 mV. When the mixture is rich the oxygen content is low and the voltage signal will remain on the high side of the 450 mV mid-range. When the mixture is lean the oxygen content is high and the voltage signal will remain on the low side below the 450 mV mid-range.
    Typical oxygen sensor 93174g12.gif

    The oxygen sensors on later model vehicles are equipped with a heater circuit. The heater circuit in the oxygen sensor shortens the time required for the sensor to reach operating temperature and provides a more accurate signal.
    IAC Valve

    Dec 12, 2010 | 1996 Chevrolet Suburban

    1 Answer

    I have a 96 5.7 chevy suburban died no spark replaced the module and coil crankshaft sensor still wont start getting fuel and no communication from the computer thanks for any help


    check ecm fuse..not sure where your ecm is but if its by the battery..check for battery acid on ecm wires or it might be the ecm it self...make sure you gettig fuel..spray some starting fluid into intake..thats one sure way of knowing its not a fuel problem,,must ecm goes for less than a 100.00 try ebay for reman unit spare ecm is one company..one other thing..did you check your ignition switch??

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    Put an injector noid light at the injector plug terminals to see if your getting a signal from the PCM(computer).If not try to find a computer from the same vehicle that works and swap it into yours to check.A PCM swap will take about 15minutes.

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    For one i dont need your vin its a z24 which means it has a 2.4l engine it does not have an ECM it has a PCM powertrain control module, which is located for your car in the right rear corner topside of your engine bay, in 1995-2001 it is located inside the right front fender. I hope this info helps...

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